• 12 Music Library (Mills)

• 47 Videos, Slides, Films
• 1 Books

• 7 DVDs
• 1 VHS Videocassettes

• 32 Sonatas (Piano)
• 5 Operas
• 2 Concertos (Piano)
• 2 Orpheus (Greek mythological character)
• 1 Exhibitions
• 1 Horne, Marilyn
• 1 Idomeneus (Greek mythology)
• 1 Iseult (Legendary character)
• 1 Opera
• 1 Ponnelle, Jean-Pierre, 1932-1988
• 1 Production and direction
• 1 Salzburger Festspiele
• 1 Seduction
• 1 Tristan (Legendary character)

• 48 Ponnelle, Jean-Pierre, 1932-1988
• 36 Barenboim, Daniel, 1942-
• 34 Metropolitan München (Firm)
• 32 Beethoven, Ludwig van, 1770-1827
• 7 Deutsche Grammophon (Firm)
• 5 Mozart, Wolfgang Amadeus, 1756-1791
• 5 Unitel Film- und Fernsehproduktionsgesellschaft mbH
• 5 Wiener Philharmoniker
• 3 Harnoncourt, Nikolaus
• 3 Konzertvereinigung Wiener Staatsopernchor
• 3 Levine, James, 1943-2021
• 3 Monteverdi, Claudio, 1567-1643
• 3 Opernhaus Zürich. Monteverdi-Ensemble
• 3 Pavarotti, Luciano
• 3 Schmidt, Trudeliese
• 3 Schunk, Robert
• 2 Bayreuther Festspiele
• 2 Becht, Hermann
• 2 Berliner Philharmoniker
• 2 Calabro, Suzanne
• 2 Chailly, Riccardo, 1953-
• 2 Egel, Martin
• 2 Franzen, Hans
• 2 Freni, Mirella, 1935-2020
• 2 Gruberova, Edita, 1946-2021

• 33 No linguistic content
• 10 Italian
• 4 German
• 2 English
• 1 Unknown

• 34 Internet videos
• 13 Operas
• 8 Opera films
• 4 Drama
• 1 Fiction films
• 1 Film adaptations
• 1 Filmed operas
• 1 Filmed performances
• 1 Foreign films
• 1 Interviews
• 1 Italian language films
• 1 Motion pictures
• 1 Musical settings
• 1 Nonfiction films
• 1 Nonfiction television programs
• 1 Televised performances
• 1 Television adaptations

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